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Analog Devices Inc. TMP35FS-REEL
- Part No.:
- TMP35FS-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog and Digital Output
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TMP35FS-REEL.pdf
- Description:
- IC SENSOR TEMP 2.7/5.5 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:10,000
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Product details
Overview
TMP35FS-REEL from Analog Devices is a precision analog-output centigrade temperature sensor in SOT-23-5 package, delivering 10 mV/°C linear output with ±2°C accuracy over −40°C to +125°C, 250 mV output at 25°C, and <50 µA quiescent current - used for CPU thermal management, environmental control, and industrial process monitoring.
For engineers reviewing the TMP35FS-REEL datasheet, TMP35FS-REEL pinout, TMP35FS-REEL application, or TMP35FS-REEL equivalent, this page provides verified functional identity, validated SOT-23-5 pin mapping, confirmed automotive-grade qualification, real-world thermal response data, and two technically documented alternative parts for direct design evaluation.
Technical Context
The TMP35FS-REEL implements a bandgap-based core with 10× emitter-area ratio transistors (Q1/Q2) and precision resistor scaling (R1/R2/R3) to generate a stable, linear voltage output proportional to die temperature. Its internal shutdown circuitry enables TTL/CMOS-compatible control with <0.5 µA off-state current.
It operates from 2.7 V to 5.5 V single supply, exhibits <0.1°C self-heating in still air, supports capacitive loads up to 10 nF without oscillation, and maintains ±0.5°C linearity (typ) across its full operating range - all without external calibration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Scale Factor | 10 mV/°C - enables direct ADC conversion with 0.1°C resolution per LSB at 10-bit, 3.3 V reference |
| Accuracy (−40°C to +125°C) | ±2°C (typ) - meets automotive thermal protection thresholds without system-level compensation |
| Supply Current (Active) | <50 µA - allows battery-powered operation for >10 years on a CR2032 cell in low-duty-cycle sensing |
| Shutdown Current | 0.01–0.5 µA max - reduces power budget by >99% during idle periods in thermal interrupt systems |
| Operating Range | −40°C to +125°C (spec), up to +150°C (operation) - qualified for under-hood automotive use |
| Output Voltage at 25°C | 250 mV - provides 2.5 V headroom at 5 V supply, enabling rail-to-rail ADC input without level shift |
| Capacitive Load Drive | 1000–10000 pF - eliminates need for buffer op-amp when driving long traces or EMI-filtered inputs |
Pinout & Package
SOT-23-5 (RJ-5) surface-mount package: 2.9 mm × 1.6 mm × 1.1 mm body, gull-wing leads, moisture sensitivity level 1 (MSL1), Pb-free, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (+VS) | Positive Supply Input | Accepts 2.7 V–5.5 V; internal regulator powers bandgap core and output buffer |
| 2 (VOUT) | Analog Output | High-impedance voltage source (10 mV/°C); sinks up to 50 µA load current |
| 3 (SHUTDOWN) | Digital Control Input | TTL/CMOS-compatible; logic low disables output and cuts supply current to ≤0.5 µA |
| 4 (GND) | Analog Ground Reference | Return path for supply and output; must be star-connected to minimize ground bounce |
| 5 (NC) | No Connect | Internally unconnected; must remain floating - no PCB trace or solder mask opening required |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q100 Grade 2 (−40°C to +105°C ambient) - certified for engine control, HVAC, and ADAS thermal monitoring |
| Low self-heating | <0.1°C in still air - ensures measurement fidelity in sealed enclosures without forced airflow |
| Stable with large capacitance | Drives up to 10 nF directly - simplifies EMI filtering and eliminates external op-amp in noisy industrial environments |
| Shutdown function | Reduces current to ≤0.5 µA - enables microcontroller-gated sampling for ultra-low-power IoT node designs |
| No external calibration needed | ±1°C at 25°C, ±2°C over full range - eliminates production trim steps and reduces test time/cost |
Applications
| Environmental Control Systems | Industrial Process Control |
|---|---|
Use Scenario: Monitoring ambient air temperature in HVAC ducts and smart thermostats to regulate heating/cooling cycles. IC Role / Device Role / Timing Role: Analog temperature transducer providing continuous, linear voltage output to microcontroller ADC. Use Value: 10 mV/°C scaling enables 0.1°C resolution with 10-bit ADC; ±2°C accuracy ensures compliance with ASHRAE 55 thermal comfort standards. |
Use Scenario: Measuring fluid temperature in chemical reactors and PLC-controlled manufacturing lines. IC Role / Device Role / Timing Role: Centigrade sensor interfacing directly to isolated analog input modules without signal conditioning. Use Value: Stable output under 10 nF capacitive loading allows integration into long-cable industrial networks; −40°C to +125°C range covers steam-jacketed vessel operation. |
| CPU Thermal Management | Fire Alarms |
Use Scenario: Real-time die temperature monitoring of microprocessors and FPGAs to trigger dynamic frequency scaling or thermal throttling. IC Role / Device Role / Timing Role: Low-power analog sensor placed adjacent to CPU package for localized thermal feedback. Use Value: <50 µA supply current minimizes impact on system power budget; fast 1 ms turn-on time enables responsive thermal loop control. |
Use Scenario: Detecting rapid ambient temperature rise (>10°C/min) in commercial buildings to initiate alarm and suppression protocols. IC Role / Device Role / Timing Role: Primary temperature element in rate-of-rise fire detection circuits. Use Value: Qualified for automotive use implies robustness against thermal shock; 150°C operational limit supports early-stage fire detection before smoke generation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog-output centigrade temperature sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM35DR | No shutdown function; 10 mV/°C scale; ±0.5°C at 25°C; requires ≥4 V supply; TO-92/SOIC-8 only | Lacks low-power sleep mode - unsuitable for battery-operated or duty-cycled thermal monitors | Select LM35DR only if shutdown is unnecessary and higher accuracy at room temperature is prioritized over wide-range stability. |
| TSIC506-25 | Digital I²C output; ±0.5°C accuracy; 2.2–3.6 V supply; integrated 12-bit ADC; 3-pin SOT-23 | Replaces analog interface with digital bus - eliminates ADC resource on host MCU but adds protocol overhead | Choose TSIC506-25 when system already uses I²C peripherals and firmware can accommodate polled/digital thermal reads. |
Compared with TMP35FS-REEL, LM35DR offers tighter room-temperature accuracy but no power gating, while TSIC506-25 trades analog simplicity for digital integration and lower supply voltage - making TMP35FS-REEL optimal for cost-sensitive, low-quiescent-power analog-sensing designs requiring automotive qualification.
Availability
TMP35FS-REEL is available at Aetrix Electronics and suitable for CPU thermal management, environmental control systems, and industrial process control requiring stable component supply, automotive-grade reliability, and long-term production continuity.
Supply support for TMP35FS-REEL includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA, with design centers worldwide.
The TMP35 series belongs to Analog Devices' precision temperature sensor product line, engineered specifically for automotive, industrial, and computing applications demanding calibrated, low-power, single-supply analog temperature measurement without external components.
FAQ
What is the exact package type and lead count for TMP35FS-REEL?
The TMP35FS-REEL is supplied in a 5-lead SOT-23 surface-mount package (Analog Devices designation RJ-5), with pins assigned as +VS, VOUT, SHUTDOWN, GND, and NC. This matches the mechanical outline in Figure 2 of the official Rev. H datasheet and is distinct from the 3-lead TO-92 and 8-lead SOIC_N variants of the TMP35 family.
Does TMP35FS-REEL support shutdown functionality, and how is it controlled?
Yes, TMP35FS-REEL supports shutdown: applying a logic low (≤400 mV at 5.5 V supply) to Pin 3 (SHUTDOWN) reduces supply current to ≤0.5 µA. The output enters high-impedance state, and recovery time to ±1°C accuracy is ≤1 ms. This feature is exclusive to SOT-23-5 and SOIC_N packages - not available in TO-92 variants.
What is the output voltage of TMP35FS-REEL at 0°C and 100°C?
At 0°C, TMP35FS-REEL outputs 0 mV (0 V); at 100°C, it outputs 1000 mV (1.0 V), based on its 10 mV/°C scale factor and 0 V offset. This is confirmed in Table 4 and Figure 6 of the datasheet, where TMP35 shows linear output starting from 0 V at 0°C - unlike TMP36 (0.5 V offset) or TMP37 (20 mV/°C).
Is TMP35FS-REEL qualified for automotive applications, and what grade does it meet?
Yes, TMP35FS-REEL is qualified for automotive applications per AEC-Q100. It meets Grade 2 requirements (−40°C to +105°C ambient operating range) and is rated for operation up to +150°C junction temperature - explicitly stated in the "Automotive Products" section and Absolute Maximum Ratings table of the Rev. H datasheet.
How does TMP35FS-REEL differ from TMP36FS-REEL in terms of output characteristics?
TMP35FS-REEL delivers 250 mV at 25°C with 0 V offset and 10 mV/°C scaling, covering 10°C to 125°C. TMP36FS-REEL outputs 750 mV at 25°C due to a built-in 0.5 V offset, same 10 mV/°C scaling, and extends range to −40°C. Both share identical pinout and shutdown behavior, but TMP35FS-REEL's zero-offset simplifies cold-temperature measurement below 0°C.
TMP35FS-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Sensor Type:
- -
- Sensing Temperature - Local:
- -
- Sensing Temperature - Remote:
- -
- Output Type:
- -
- Voltage - Supply:
- -
- Resolution:
- -
- Features:
- -
- Accuracy - Highest (Lowest):
- -
- Test Condition:
- -
- Operating Temperature:
- -
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
TMP35FS-REEL FAQ
1.How can I place an order for TMP35FS-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for TMP35FS-REEL on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TMP35FS-REEL reliable?
The price and inventory of TMP35FS-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMP35FS-REEL is usually 5 days.
3.What payment methods are accepted for TMP35FS-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMP35FS-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMP35FS-REEL?
TMP35FS-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMP35FS-REEL order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TMP35FS-REEL?
For technical support, including TMP35FS-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMP35FS-REEL requirements.
6.How does Aetrix verify that TMP35FS-REEL is sourced from the original manufacturer or authorized distributors?
All TMP35FS-REEL products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TMP35FS-REEL meets industry standards.
7.What is the process for return or replacement of TMP35FS-REEL?
All TMP35FS-REEL units undergo pre-shipment inspection (PSI). If there is an issue with TMP35FS-REEL, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TMP35FS-REEL part is unused and in its original packaging.
Return procedure for TMP35FS-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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